swh:1:snp:c2847dfd741eae21606027cf29250d1ebcd63fb4
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Tip revision: 4f5cafb5cb8471e54afdc9054d973535614f7675 authored by Linus Torvalds on 13 October 2019, 23:37:36 UTC
Linux 5.4-rc3
Tip revision: 4f5cafb
extable.c
// SPDX-License-Identifier: GPL-2.0
/*
 *  linux/arch/arm/mm/extable.c
 */
#include <linux/extable.h>
#include <linux/uaccess.h>

int fixup_exception(struct pt_regs *regs)
{
	const struct exception_table_entry *fixup;

	fixup = search_exception_tables(instruction_pointer(regs));
	if (fixup) {
		regs->ARM_pc = fixup->fixup;
#ifdef CONFIG_THUMB2_KERNEL
		/* Clear the IT state to avoid nasty surprises in the fixup */
		regs->ARM_cpsr &= ~PSR_IT_MASK;
#endif
	}

	return fixup != NULL;
}
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